DWARF_CALLING(DW_CC_normal, 0x1)
DWARF_CALLING(DW_CC_program, 0x2)
DWARF_CALLING(DW_CC_nocall, 0x3)
DWARF_CALLING(DW_CC_lo_user, 0x40)
DWARF_CALLING(DW_CC_hi_user, 0xff)
